CN107317622A - A kind of onboard satellite communication modem for unmanned plane power-line patrolling - Google Patents
A kind of onboard satellite communication modem for unmanned plane power-line patrolling Download PDFInfo
- Publication number
- CN107317622A CN107317622A CN201710525155.0A CN201710525155A CN107317622A CN 107317622 A CN107317622 A CN 107317622A CN 201710525155 A CN201710525155 A CN 201710525155A CN 107317622 A CN107317622 A CN 107317622A
- Authority
- CN
- China
- Prior art keywords
- modulation
- unmanned plane
- demodulation
- satellite communication
- communication modem
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18502—Airborne stations
- H04B7/18506—Communications with or from aircraft, i.e. aeronautical mobile service
- H04B7/18508—Communications with or from aircraft, i.e. aeronautical mobile service with satellite system used as relay, i.e. aeronautical mobile satellite service
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
- H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
Abstract
The embodiment of the invention discloses a kind of onboard satellite communication modem for unmanned plane power-line patrolling, for solving, traditional unmanned plane satellite communications modem overall transmission efficiency is relatively low, demodulation modulation capability is weaker and poor anti jamming capability is difficult to ensure that technical problem of the carrier aircraft in the gentle wide-area communication ability as under the conditions of of complicated landform.The embodiment of the present invention includes：Modulation /demodulation module, Multiple Business Management module, secret unit, power supply；Modulation /demodulation module is connected with Multiple Business Management module, and demodulation is modulated for the process content to Multiple Business Management module；Secret unit is connected with modulation /demodulation module, for the content for modulating demodulation module modulation /demodulation to be encrypted；Power supply is connected with modulation /demodulation module, for being powered to modulation /demodulation module.
Description
Technical field
The present invention relates to unmanned plane power-line patrolling technical field, more particularly to it is a kind of for the airborne of unmanned plane power-line patrolling
Satellite communications modem.
Background technology
Unmanned plane power-line patrolling is when power system performs various tasks, and the communication between carrier aircraft and command post is to ensure
The key factor that unmanned plane efficiency is played.Onboard satellite communication modem is played in the communication system of Efficient Remote to pass
Important effect, ensure that voice, data communication and image under all weather conditions, the long-range real-time Transmission of video,
It is the important means for improving carrier aircraft in the gentle wide-area communication supportability as under the conditions of of complicated landform.
Onboard satellite communication modem not only needs to meet the requirement of satellite communications data transmission link, in addition it is also necessary to full
The use requirement of sufficient unmanned plane environment.This is accomplished by onboard satellite communication modem and is ensureing that overall transmission efficiency is high, solve
Low, the capturing frequency deviation ability of pitch limit is strong, on the premise of the traffic rate of system and availability height, meet humiture, vibratory impulse,
The design requirement such as salt spray proof mould and dimensional weight.
Current traditional unmanned plane satellite communications modem overall transmission efficiency is relatively low, demodulation modulation capability is weaker and
Poor anti jamming capability is difficult to ensure that carrier aircraft in the gentle wide-area communication ability as under the conditions of of complicated landform.
The content of the invention
The embodiments of the invention provide a kind of onboard satellite communication modem for unmanned plane power-line patrolling, solve
Traditional unmanned plane satellite communications modem overall transmission efficiency is relatively low, demodulation modulation capability is weaker and poor anti jamming capability
It is difficult to ensure that technical problem of the carrier aircraft in the gentle wide-area communication ability as under the conditions of of complicated landform.
A kind of onboard satellite communication modem for unmanned plane power-line patrolling provided in an embodiment of the present invention, bag
Include：
Modulation /demodulation module, Multiple Business Management module, secret unit, power supply；
The modulation /demodulation module is connected with the Multiple Business Management module, for the place to Multiple Business Management module
Reason content is modulated demodulation；
The secret unit is connected with the modulation /demodulation module, in the modulation /demodulation module modulation /demodulation
Appearance is encrypted；
The power supply is connected with the modulation /demodulation module, for being powered to the modulation /demodulation module；
The modulation /demodulation module includes IF interface, modulatedemodulate tuned plate, channel coding-decoder；
The Multiple Business Management inside modules be integrated with audio codec, Video Codec, traffic scheduling unit,
State is controlled and administrative unit, data interface unit；The data interface unit includes PAL interfaces, COBBAIF, RS422
EBI.
Alternatively, the frequency range that the IF interface is supported is 950~1450MHz.
Alternatively, the secret unit is the crypto using single channel encryption mode, for receiving ground central station key
The control of Distribution Center simultaneously downloads key by corresponding channel, realizes one-time pad or receives the password note of outside note key equipment
Enter.
Alternatively, the audio codec is inputted and exported using analogue audio frequency, and code rate is 2.4Kbps.
Alternatively, the Video Codec is using H.264 coding and variable rate encoding.
Alternatively, the state control and administrative unit are used for status inquiry command and response, equipment self-inspection order and sound
Should, course of work report, equipment fault report, antenna start-up trace order and response.
Alternatively, the PAL interfaces are connected with external target seeker, for realizing that the picture signal of the external target seeker is adopted
Collection.
Alternatively, the RS422 EBIs are distant with the flying control equipment on unmanned plane, differential device, remote control for realizing
The data cube computation of measurement equipment.
Alternatively, the medium frequency reception parameter and emission parameter of the modem use pattern set in advance, are used for
Realize a key power-on operation.
Alternatively, the state control and administrative unit are also associated with control software, for the modem
Medium frequency reception parameter and emission parameter are configured.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
The embodiments of the invention provide a kind of onboard satellite communication modem for unmanned plane power-line patrolling, bag
Include：Modulation /demodulation module, Multiple Business Management module, secret unit, power supply；The modulation /demodulation module and the integrated service
Processing module is connected, and demodulation is modulated for the process content to Multiple Business Management module；The secret unit with it is described
Modulation /demodulation module is connected, and is encrypted for the content to the modulation /demodulation module modulation /demodulation；The power supply with it is described
Modulation /demodulation module is connected, for being powered to the modulation /demodulation module；The modulation /demodulation module include IF interface,
Modulatedemodulate tuned plate, channel coding-decoder；The Multiple Business Management inside modules are integrated with audio codec, coding and decoding video
Device, traffic scheduling unit, state control and administrative unit, data interface unit；The data interface unit includes PAL and connect
Mouth, COBBAIF, RS422 EBIs.The onboard satellite for unmanned plane power-line patrolling in the embodiment of the present invention, which communicates, to be adjusted
Modulator-demodulator has that overall transmission efficiency is high, demodulation threshold is low, capturing frequency deviation ability strong, the traffic rate of system and availability height
The characteristics of, the airborne design requirements such as humiture, vibratory impulse, salt spray proof mould and dimensional weight are met, be can be achieved round-the-clock multiple
The long-range real-time Transmission of voice, data communication and image, video under miscellaneous landform and meteorological condition, solves traditional unmanned plane and defends
Star communication modem overall transmission efficiency is relatively low, demodulation modulation capability is weaker and poor anti jamming capability is difficult to ensure that carrier aircraft exists
The technical problem of the gentle wide-area communication ability as under the conditions of of complicated landform.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of onboard satellite communication modem for unmanned plane power-line patrolling provided in an embodiment of the present invention
Structural representation.
Embodiment
The embodiments of the invention provide a kind of onboard satellite communication modem for unmanned plane power-line patrolling, it is used for
The traditional unmanned plane satellite communications modem overall transmission efficiency of solution is relatively low, demodulation modulation capability is weaker and antijamming capability
Difference is difficult to ensure that technical problem of the carrier aircraft in the gentle wide-area communication ability as under the conditions of of complicated landform.
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of embodiment of the invention, and not all embodiment.Based on the embodiment in the present invention, this area
All other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention
Scope.
Referring to Fig. 1, a kind of onboard satellite communication modulation for unmanned plane power-line patrolling provided in an embodiment of the present invention
Demodulator includes：
Modulation /demodulation module, Multiple Business Management module, secret unit 4, power supply 5；
The modulation /demodulation module is connected with the Multiple Business Management module, for the place to Multiple Business Management module
Reason content is modulated demodulation；
The secret unit is connected with the modulation /demodulation module, in the modulation /demodulation module modulation /demodulation
Appearance is encrypted；
The power supply is connected with the modulation /demodulation module, for being powered to the modulation /demodulation module；
The modulation /demodulation module includes IF interface 1, modulatedemodulate tuned plate 2, channel coding-decoder 3；
The Multiple Business Management inside modules are integrated with audio codec 6, Video Codec 7, traffic scheduling list
Member 8, state control and administrative unit 9, data interface unit；The data interface unit includes PAL interfaces 10, COBBAIF
11st, RS422 EBIs 12.
Further, the frequency range that the IF interface 1 is supported is 950~1450MHz.
Further, the secret unit 4 is the crypto using single channel encryption mode, close for receiving ground central station
The control of key Distribution Center simultaneously downloads key by corresponding channel, realizes one-time pad or receives the password of outside note key equipment
Injection.Specifically, each channel of wherein radio equipment configures crypto, the control of ground central station KDC is subjected to
System, downloads key by respective channel, realizes one-time pad, while can also receive the password injection of outside note key equipment.
Further, the audio codec 6 is inputted and exported using analogue audio frequency, and code rate is 2.4Kbps.
Further, the Video Codec 7 is using H.264 coding and variable rate encoding.
Further, state control and administrative unit 9 be used for status inquiry command and response, equipment self-inspection order and
The control contents such as response, course of work report, equipment fault report, antenna start-up trace order and response.
Further, the PAL interfaces 10 are connected with external target seeker, for realizing that the image of the external target seeker is believed
Number collection.
Further, the RS422 EBIs 12 are used to realizing and the flying control equipment on unmanned plane, differential device, distant
Control the data cube computation of remote-measuring equipment.
Further, the medium frequency reception parameter and emission parameter of the modem use pattern set in advance, use
In realizing a key power-on operation.Specifically, the medium frequency reception parameter and emission parameter to modem are preset, use
Image, audio, the communication of data can be completed after the start of family, other operations are carried out without user.
Further, the state control and administrative unit 9 are also associated with control software 13, for the modulation /demodulation
The medium frequency reception parameter and emission parameter of device are configured.When the satellite resource of actual use is changed, user can lead to
Cross the control software 13 and new medium frequency reception parameter and emission parameter are set.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a kind of onboard satellite communication modem for unmanned plane power-line patrolling, it is characterised in that including：
Modulation /demodulation module, Multiple Business Management module, secret unit, power supply；
The modulation /demodulation module is connected with the Multiple Business Management module, in the processing to Multiple Business Management module
Appearance is modulated demodulation；
The secret unit is connected with the modulation /demodulation module, is entered for the content to the modulation /demodulation module modulation /demodulation
Row encryption；
The power supply is connected with the modulation /demodulation module, for being powered to the modulation /demodulation module；
The modulation /demodulation module includes IF interface, modulatedemodulate tuned plate, channel coding-decoder；
The Multiple Business Management inside modules are integrated with audio codec, Video Codec, traffic scheduling unit, state
Control and administrative unit, data interface unit；The data interface unit includes PAL interfaces, COBBAIF, RS422 buses
Interface.
2. the onboard satellite communication modem according to claim 1 for unmanned plane power-line patrolling, its feature exists
In the frequency range that the IF interface is supported is 950~1450MHz.
3. the onboard satellite communication modem according to claim 1 for unmanned plane power-line patrolling, its feature exists
In the secret unit is the crypto using single channel encryption mode, the control for receiving ground central station KDC
Make and key is downloaded by corresponding channel, realize one-time pad or receive the password injection of outside note key equipment.
4. the onboard satellite communication modem according to claim 1 for unmanned plane power-line patrolling, its feature exists
In the audio codec is inputted and exported using analogue audio frequency, and code rate is 2.4Kbps.
5. the onboard satellite communication modem according to claim 1 for unmanned plane power-line patrolling, its feature exists
In the Video Codec is using H.264 coding and variable rate encoding.
6. the onboard satellite communication modem according to claim 1 for unmanned plane power-line patrolling, its feature exists
In the state control and administrative unit are used for status inquiry command and response, equipment self-inspection order and response, course of work report
Announcement, equipment fault report, antenna start-up trace order and response.
7. the onboard satellite communication modem according to claim 1 for unmanned plane power-line patrolling, its feature exists
In the PAL interfaces are connected with external target seeker, for realizing that the picture signal of the external target seeker is gathered.
8. the onboard satellite communication modem according to claim 1 for unmanned plane power-line patrolling, its feature exists
In the RS422 EBIs are used to realize and the flying control equipment on unmanned plane, differential device, the data of remote-control romote-sensing equipment
Connection.
9. the onboard satellite communication modem according to claim 1 for unmanned plane power-line patrolling, its feature exists
In the medium frequency reception parameter and emission parameter of the modem use pattern set in advance, for realizing that a key is started shooting
Operation.
10. the onboard satellite communication modem according to claim 1 for unmanned plane power-line patrolling, its feature exists
In the state control and administrative unit are also associated with control software, for the medium frequency reception parameter to the modem
Configured with emission parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710525155.0A CN107317622A (en) | 2017-06-30 | 2017-06-30 | A kind of onboard satellite communication modem for unmanned plane power-line patrolling |
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|---|---|---|---|
| CN201710525155.0A CN107317622A (en) | 2017-06-30 | 2017-06-30 | A kind of onboard satellite communication modem for unmanned plane power-line patrolling |
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| CN107317622A true CN107317622A (en) | 2017-11-03 |
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| CN201710525155.0A Pending CN107317622A (en) | 2017-06-30 | 2017-06-30 | A kind of onboard satellite communication modem for unmanned plane power-line patrolling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109859765A (en) * | 2019-01-24 | 2019-06-07 | 朗星无人机系统有限公司 | A kind of unmanned plane blank pipe voice communication system, voice transmitting method and method of reseptance |
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Application publication date: 20171103 |
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